Darwin Weather in December
December in Darwin typically sees daytime highs of 33°C (91°F) and nighttime lows of 26°C (79°F). December falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Darwin in December
Darwin is in the rainy season in December, with rain on around 10 days and an average of 312 mm (12 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Darwin in December
December in Darwin brings typical temperatures with highs around 33°C (91°F) and lows of 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably. These temperatures represent the average, but hotter days can occur. Be prepared with light clothing and stay hydrated to manage the heat.
Sunshine in Darwin in December
Enjoy a sunny month with about 223 hours of sunshine, even though this month falls in the wet season. There is still enough sun to enjoy the outdoors.
Wind Speed in Darwin in December
Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in December
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.December in Darwin has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Darwin's climate page.
Darwin Temperature in December
Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Water Temperature
28°C (82°F)
Chance of Rain
34%
Precipitation
312 mm (12 in)
Rainy days
10 days
Humidity
66%
Windspeed
3 m/s (6 knots)
Sunshine
223 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Darwin typically stay consistent throughout December, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Darwin in December
Browse day-by-day weather records for Darwin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Darwin historical weather extremes in December
Based on 42 years of weather observations in Darwin between 1983 and 2025, these are the recorded extremes.
- On December 6, 2019, temperatures climbed to 36°C (97°F), marking the warmest December day on record.
- On December 8, 1998, Darwin saw its coldest December day with temperatures maxing out at 25°C (77°F).
- Darwin registered its coldest December night on December 6, 1984, with temperatures dropping to 20°C (68°F).
Best Places in Australia in December
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →
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What to Wear in Darwin in December
Get ready for hot weather in December! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Darwin in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Darwin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Darwin climate overview or explore weather in Australia.
